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Pinpoint of light surrounded by small dark area, lasting about a minute
An_249999 posted:
I have had two experiences recently in which I had a sudden pinpoint of light appear, comparable to a halogen light in brightness and color. It is surrounded by a circle of dark or black. Both times, I have been sitting still in a darkened room, Both the light and dark seems to fade after about a minute. The light and dark appears at about the location in my field of vision in my right eye. It is unlike anything I have experienced before. There was no pain associated with these events.

I am 55 years old.

Should I be concerned? What might this be?
My last eye exam was about a year ago, and everything was normal.

Alan M Kozarsky, MD responded:
These are indeed unusual episodes.

The usual causes of "lights" appearing in your vision which don't exist include flashes of light related to retinal traction - these general appear like flash bulbs, are of very short duration, and are often associated with new floaters. The other common "light" symptom can appear on the basis of a migraine (circulation) type headache or proceeding a migraine - sometimes even without a headache.

Of course, if these symptoms are new and if they continue you should inform both your ophthalmologist and primary care doctor so they can make sure you do not have any eye problems or any circulation/neurological issue which could be related.

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